72   consumer_pos_ = reinterpret_cast<ConsumerPosition*>(  in SamplingCircularQueue()
74   ASSERT(reinterpret_cast<byte*>(consumer_pos_ + 1) <=  in SamplingCircularQueue()
76   consumer_pos_->dequeue_chunk_pos = buffer_;  in SamplingCircularQueue()
77   consumer_pos_->dequeue_chunk_poll_pos = buffer_ + producer_consumer_distance_;  in SamplingCircularQueue()
78   consumer_pos_->dequeue_pos = NULL;  in SamplingCircularQueue()
89   if (consumer_pos_->dequeue_pos != NULL) {  in StartDequeue()
90     return consumer_pos_->dequeue_pos;  in StartDequeue()
92     if (*consumer_pos_->dequeue_chunk_poll_pos != kClear) {  in StartDequeue()
93       consumer_pos_->dequeue_pos = consumer_pos_->dequeue_chunk_pos;  in StartDequeue()
94       consumer_pos_->dequeue_end_pos = consumer_pos_->dequeue_pos + chunk_size_;  in StartDequeue()
95       return consumer_pos_->dequeue_pos;  in StartDequeue()
104   consumer_pos_->dequeue_pos += record_size_;  in FinishDequeue()
105   if (consumer_pos_->dequeue_pos < consumer_pos_->dequeue_end_pos) return;  in FinishDequeue()
107   consumer_pos_->dequeue_pos = NULL;  in FinishDequeue()
108   *consumer_pos_->dequeue_chunk_pos = kClear;  in FinishDequeue()
109   consumer_pos_->dequeue_chunk_pos += chunk_size_;  in FinishDequeue()
110   WrapPositionIfNeeded(&consumer_pos_->dequeue_chunk_pos);  in FinishDequeue()
111   consumer_pos_->dequeue_chunk_poll_pos += chunk_size_;  in FinishDequeue()
112   WrapPositionIfNeeded(&consumer_pos_->dequeue_chunk_poll_pos);  in FinishDequeue()
118   consumer_pos_->dequeue_chunk_poll_pos = consumer_pos_->dequeue_chunk_pos;  in FlushResidualRecords()